Even worms have a ticking fertility clock. Older worms are less efficient at repairing broken DNA strands while making egg cells—part of a process that's essential for fertility. A new study from University of Oregon (UO) ...
Cell & Microbiology
Dec 5, 2022
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88
Small differences in DNA sequence contribute to heritable variations within a species, as do chemical modifications of DNA called epigenetic changes. In order to better understand the significance of such epigenetic changes ...
Molecular & Computational biology
Nov 9, 2022
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10
When it comes to the biological imperatives of survival and reproduction, nature often finds a way—sometimes more than one way. For a species of flycatcher in the remote Solomon Islands, scientists have so far found at ...
Plants & Animals
Nov 1, 2022
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54
Researchers of the HSE International Laboratory of Statistical and Computational Genomics together with their international colleagues have proposed a new statistical method for analyzing population admixture that makes it ...
Evolution
Jul 27, 2022
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18
Polyploidy or whole-genome duplication (WGD) provides extra substrates for genomic evolution and is thus considered as an important driving force for genetic diversity, trait innovation, and ecological adaption. Despite extensive ...
Plants & Animals
Jul 14, 2022
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7
If you are moaning once again about your suitcase being far too small as your vacation approaches, you should take human sperm cells as an inspiration. During their production, they are faced with an almost insoluble task. ...
Cell & Microbiology
Jul 11, 2022
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65
Human populations have waxed and waned over the millennia, with some cultures exploding and migrating to new areas or new continents, others dropping to such low numbers that their genetic diversity plummeted. In some small ...
Evolution
Jun 23, 2022
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523
The deletion of the Wt1 gene during the early stages of the embryonic reproductive organ formation leads to differences in sex development in adult mice, according to an article published in the journal PLOS Genetics and ...
Cell & Microbiology
Jun 22, 2022
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3
Thirteen genetic variants associated with disease in cats are present in more pedigreed breeds than previously thought, according to the largest ever DNA-based study of domestic cats, led by Heidi Anderson from Wisdom Panel ...
Ecology
Jun 16, 2022
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11
Scientists are starting to understand the precise workings of a type of gene that, unlike other genes, does not code for proteins—the building blocks of life.
Biotechnology
Jun 16, 2022
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